201600009

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{191453}}^1$

素因数の和:191478

約数の個数: 20

約数和(自身を含む): 324323076

約数和(自身を除く): 122723067

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 191453, 574359, 1723077, 2488889, 5169231, 7466667, 15507693, 22400001, 67200003, 201600009]

約数ペア:

[(1, 201600009), (3, 67200003), (9, 22400001), (13, 15507693), (27, 7466667), (39, 5169231), (81, 2488889), (117, 1723077), (351, 574359), (1053, 191453)]